﻿/*!	@file	r_raytrace_render.h
	@brief	raytraceレンダリングシステム
Copyright (c) 2011 Yuya Yamaguchi

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef _R_RAYTRACE_RENDER_H_
#define _R_RAYTRACE_RENDER_H_

#include "../r_type.h"
#include "../alloc/r_alloc_new_delete.h"
#include "r_raytrace_allocator.h"

namespace r{
	namespace raytrace{
		class Scene;
		class Buffer;
		class Camera;
	}
}

namespace r{
	namespace raytrace{
		//! レンダラ
		class Render{
		public:
			RALLOC_PLACEMENT_NEW_DELETE ( r::raytrace::AllocatorData()() )
		public:
			//! コンストラクタ
			Render( void );
			//! デストラクタ
			~Render( void );
		public:
			//! レンダリングを開始する
			/*!
			*/
			void	beginRender( Scene* scene, Buffer* buffer, const Camera& camera );
			//! レンダリングが完了しているかチェックする
			/*!
			*/
			r_bool	checkRender( void );
			//! レンダリングを中断する
			/*!
			*/
			void	stopRender( void );
		public:
			//!
			void	setTraceMaxCount( r_ui32 count ){
				traceMaxCount = count;
			}
			//!
			void	setRefractMaxCount( r_ui32 count ){
				refractMaxCount = count;
			}
			//!
			void	setReflectMaxCount( r_ui32 count ){
				reflectMaxCount = count;
			}
		protected:
			//! セットアップ
			/*!
			*/
			void	setup();
			//! レイトレースを実行する
			/*!
			*/
			void	rayTrace();
		private:
			//! レイトレース制御
			r_ui32	traceMaxCount;
			r_ui32	refractMaxCount;
			r_ui32	reflectMaxCount;
		};
	}
}

#endif // _R_RAYTRACE_RENDER_H_
